Patents by Inventor Pavel Vaisman
Pavel Vaisman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11742149Abstract: A capacitor and capacitor assemblies are provided, configured to prevent damage from shock and/or vibration. A capacitor assembly according to the invention comprises an anode plate having an anode plate wire extending from a surface of the anode plate. An anode wire holder is positioned around at least a portion of the anode plate wire. A wire separator comprising a channel is provided, at least a portion of the anode plate wire received within the channel. Methods of forming capacitors and capacitor assemblies are also provided.Type: GrantFiled: November 17, 2021Date of Patent: August 29, 2023Inventors: Matthew J. Lang, Andrey Mitiagin, Steve Breithaupt, Scott Godfrey, Pavel Vaisman
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Publication number: 20230154688Abstract: A capacitor and capacitor assemblies are provided, configured to prevent damage from shock and/or vibration. A capacitor assembly according to the invention comprises an anode plate having an anode plate wire extending from a surface of the anode plate. An anode wire holder is positioned around at least a portion of the anode plate wire. A wire separator comprising a channel is provided, at least a portion of the anode plate wire received within the channel. Methods of forming capacitors and capacitor assemblies are also provided.Type: ApplicationFiled: November 17, 2021Publication date: May 18, 2023Applicant: Vishay Israel Ltd.Inventors: Matthew J. Lang, Andrey Mitiagin, Steve Breithaupt, Scott Godfrey, Pavel Vaisman
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Patent number: 11024464Abstract: A hermetically sealed polymer capacitor and a method of forming the same are disclosed. The method preferably includes dispensing an amount of conductive paste inside a case and inserting one or more capacitor elements into the conductive paste. The conductive paste may surround sides of the one or more capacitor elements. Optionally, a bushing may be placed on the one or more capacitor elements. The bushing may have one or more holes that allow one or more positive leads coupled to the one or more capacitor elements to pass through. A cover is preferably welded to the opening of the case. The capacitor assembly is preferably dried to evacuate moisture from inside the case. The one or more positive leads are preferably welded to one or more metal tubes of a glass to metal seal (GTMS) in the cover to seal the capacitor assembly.Type: GrantFiled: August 28, 2018Date of Patent: June 1, 2021Assignee: VISHAY ISRAEL LTD.Inventors: Alex Eidelman, Pavel Vaisman, Yuri Stangrit, Yongjian Qiu
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Patent number: 10978254Abstract: Disclosed are tantalum capacitors having enhanced volumetric efficiency, effective series resistance, effective series inductance, and high frequency performance when compared to existing tantalum capacitors. Also disclosed is a screening process for tantalum capacitors to enhance reliability.Type: GrantFiled: August 12, 2019Date of Patent: April 13, 2021Assignee: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Yongjian Qiu, Pavel Vaisman, Yuri Stangrit, Rita Eisenberg, Natali Ostrovsky
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Publication number: 20200219659Abstract: Disclosed are tantalum capacitors having enhanced volumetric efficiency, effective series resistance, effective series inductance, and high frequency performance when compared to existing tantalum capacitors. Also disclosed is a screening process for tantalum capacitors to enhance reliability.Type: ApplicationFiled: August 12, 2019Publication date: July 9, 2020Applicant: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Yongjian Qiu, Pavel Vaisman, Yuri Stangrit, Rita Eisenberg, Natali Ostrovsky
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Patent number: 10600576Abstract: A wet electrolytic surface mount capacitor has a body defining an interior area and having a fill port formed through a wall of the body. A capacitive element is positioned in an interior of the body and is isolated from the body. A surface mount anode termination is in electrical communication with the capacitive element and isolated from the body. A surface mount cathode termination is in electrical communication with the body. An electrolyte is contained in the interior area of the body, and is introduced into the interior area of the body through the fill port. A fill port plug is positioned adjacent the fill port. A fill port cover compresses the fill port plug against the fill port to seal the fill port, and may be welded in place. A method of forming the capacitor is also provided.Type: GrantFiled: April 16, 2018Date of Patent: March 24, 2020Assignee: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Pavel Vaisman, Gabi Shilo, Evgeny Petukhov, Andrey Mitiagin
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Publication number: 20200075264Abstract: A hermetically sealed polymer capacitor and a method of forming the same are disclosed. The method preferably includes dispensing an amount of conductive paste inside a case and inserting one or more capacitor elements into the conductive paste. The conductive paste may surround sides of the one or more capacitor elements. Optionally, a bushing may be placed on the one or more capacitor elements. The bushing may have one or more holes that allow one or more positive leads coupled to the one or more capacitor elements to pass through. A cover is preferably welded to the opening of the case. The capacitor assembly is preferably dried to evacuate moisture from inside the case. The one or more positive leads are preferably welded to one or more metal tubes of a glass to metal seal (GTMS) in the cover to seal the capacitor assembly.Type: ApplicationFiled: August 28, 2018Publication date: March 5, 2020Applicant: VISHAY ISRAEL LTD.Inventors: Alex Eidelman, Pavel Vaisman, Yuri Stangrit, Yongjian Qiu
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Patent number: 10522298Abstract: Methods of manufacturing a hermetically sealed wet electrolytic capacitor and a hermetically sealed wet electrolytic capacitor are described. A method of manufacturing a wet electrolytic capacitor includes forming a cathode of the capacitor by forming a case comprising a metal substrate, the metal substrate having an alloyed surface, depositing a smooth film comprising palladium and copper as a tacking layer on the alloyed surface of the metal substrate, and depositing a rough, high surface area layer on the tacking layer to achieve a high capacitance cathode. A first terminal is electrically connected to the cathode. An anode is formed. A second terminal is electrically connected to the anode. An electrolytic solution is disposed within the case, and the case is hermetically sealed.Type: GrantFiled: March 17, 2017Date of Patent: December 31, 2019Assignee: Vishay Sprague, Inc.Inventors: Alex Eidelman, John Evans, Stephen Breithaupt, Sarah Lastella, Edward Fairfield, Ilia Skatkov, Vicki Segel, Pavel Vaisman, Hila Eshel
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Patent number: 10381166Abstract: Disclosed are tantalum capacitors having enhanced volumetric efficiency, effective series resistance, effective series inductance, and high frequency performance when compared to existing tantalum capacitors. Also disclosed is a screening process for tantalum capacitors to enhance reliability.Type: GrantFiled: May 25, 2016Date of Patent: August 13, 2019Assignee: Vishay Sprague, Inc.Inventors: Alex Eidelman, Yongjian Qiu, Pavel Vaisman, Yuri Stangrit, Rita Eisenberg, Natali Ostrovsky
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Publication number: 20180366273Abstract: A wet electrolytic surface mount capacitor has a body defining an interior area and having a fill port formed through a wall of the body. A capacitive element is positioned in an interior of the body and is isolated from the body. A surface mount anode termination is in electrical communication with the capacitive element and isolated from the body. A surface mount cathode termination is in electrical communication with the body. An electrolyte is contained in the interior area of the body, and is introduced into the interior area of the body through the fill port. A fill port plug is positioned adjacent the fill port. A fill port cover compresses the fill port plug against the fill port to seal the fill port, and may be welded in place. A method of forming the capacitor is also provided.Type: ApplicationFiled: April 16, 2018Publication date: December 20, 2018Applicant: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Pavel Vaisman, Gabi Shilo, Evgeny Petukhov, Andrey Mitiagin
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Patent number: 9947479Abstract: A wet electrolytic surface mount capacitor has a body defining an interior area and having a fill port formed through a wall of the body. A capacitive element is positioned in an interior of the body and is isolated from the body. A surface mount anode termination is in electrical communication with the capacitive element and isolated from the body. A surface mount cathode termination is in electrical communication with the body. An electrolyte is contained in the interior area of the body, and is introduced into the interior area of the body through the fill port. A fill port plug is positioned adjacent the fill port. A fill port cover compresses the fill port plug against the fill port to seal the fill port, and may be welded in place. A method of forming the capacitor is also provided.Type: GrantFiled: November 16, 2015Date of Patent: April 17, 2018Assignee: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Pavel Vaisman, Gabi Shilo, Evgeny Petukhov, Andrey Mitiagin
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Publication number: 20170345579Abstract: Disclosed are tantalum capacitors having enhanced volumetric efficiency, effective series resistance, effective series inductance, and high frequency performance when compared to existing tantalum capacitors. Also disclosed is a screening process for tantalum capacitors to enhance reliability.Type: ApplicationFiled: May 25, 2016Publication date: November 30, 2017Applicant: Vishay Sprague, Inc.Inventors: Alex Eidelman, Yongjian Qiu, Pavel Vaisman, Yuri Stangrit, Rita Eisenberg, Natali Ostrovsky
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Patent number: 9737724Abstract: A hermetically sealed capacitor and method of manufacturing are provided. The hermetically sealed capacitor includes an anode element having an anode wire and a feed through barrel, a cathode element, a first case portion having a first opening portion and a second case portion having a second opening portion. The first and second opening portions form an opening configured to mate with the feed through barrel. The first opening portion may include a slot portion configured to receive the feed through barrel. The hermetically sealed capacitor may also include electrolytic solution disposed between the first and second case portions.Type: GrantFiled: February 3, 2012Date of Patent: August 22, 2017Assignee: Vishay Sprague, Inc.Inventors: Alex Eidelman, Stephen Breithaupt, Sarah Lastella, Edward Fairfield, Vicki Segel, Pavel Vaisman, Hila Eshel, John Evans, Ilia Statkov, Nola Evans, Leonid Statkov, Tatyana Raich
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Publication number: 20170194099Abstract: Methods of manufacturing a hermetically sealed wet electrolytic capacitor and a hermetically sealed wet electrolytic capacitor are described. A method of manufacturing a wet electrolytic capacitor includes forming a cathode of the capacitor by forming a case comprising a metal substrate, the metal substrate having an alloyed surface, depositing a smooth film comprising palladium and copper as a tacking layer on the alloyed surface of the metal substrate, and depositing a rough, high surface area layer on the tacking layer to achieve a high capacitance cathode. A first terminal is electrically connected to the cathode. An anode is formed. A second terminal is electrically connected to the anode. An electrolytic solution is disposed within the case, and the case is hermetically sealed.Type: ApplicationFiled: March 17, 2017Publication date: July 6, 2017Applicant: Vishay Sprague, Inc.Inventors: Alex Eidelman, John Evans, Stephen Breithaupt, Sarah Lastella, Edward Fairfield, Ilia Skatkov, Vicki Segel, Pavel Vaisman, Hila Eshel
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Publication number: 20170140876Abstract: A wet electrolytic surface mount capacitor has a body defining an interior area and having a fill port formed through a wall of the body. A capacitive element is positioned in an interior of the body and is isolated from the body. A surface mount anode termination is in electrical communication with the capacitive element and isolated from the body. A surface mount cathode termination is in electrical communication with the body. An electrolyte is contained in the interior area of the body, and is introduced into the interior area of the body through the fill port. A fill port plug is positioned adjacent the fill port. A fill port cover compresses the fill port plug against the fill port to seal the fill port, and may be welded in place. A method of forming the capacitor is also provided.Type: ApplicationFiled: November 16, 2015Publication date: May 18, 2017Applicant: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Pavel Vaisman, Gabi Shilo, Evgeny Petukhov, Andrey Mitiagin
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Publication number: 20100268292Abstract: A hermetically sealed wet electrolytic capacitor includes a hermetically sealed case, a cathode, an anode, and an insulator between the anode and the cathode to provide electrical insulation between the anode and the cathode. An electrolytic solution is disposed within the case. A first terminal is electrically connected to the anode and a second terminal is electrically connected to the cathode. The cathode comprises a metal substrate having an alloy layer formed with a noble metal and a noble metal/base metal electrode element layer electrochemically deposited thereon. The electrolytic solution has a conductivity between 10 and 60 mS/cm. The capacitor may be used in an implantable device.Type: ApplicationFiled: April 14, 2010Publication date: October 21, 2010Applicant: VISHAY SPRAGUE, INC.Inventors: Alex Eidelman, Ilia Skatkov, Vicki Segel, Pavel Vaisman, Hila Eshel, John Evans, Stephen Breithaupt, Sarah Lastella, Edward Fairfield
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Patent number: 7449032Abstract: A surface mount capacitor (10) and method for making the same. A solid slug or pellet anode body (1) is encapsulated in a case (6) of insulating material. An anode and cathode termination pair (2, 3) are formed with surface mount mounting portions on one side of the case (6). An electrical connection (4) is made from the cathode termination (2) to a cathode on pellet (1) through the case (6). An electrical connection (7) is made between an anode associated with the pellet (1) and the anode termination (3) externally of the case (6). The external connection (7) allows improved volumetric efficiency by freeing up space in the case (6) for a bigger pellet (1).Type: GrantFiled: November 4, 2005Date of Patent: November 11, 2008Assignee: Vishay Sprague, Inc.Inventors: Pavel Vaisman, Alex Eidelman, Yuri Stangrit, Leonid Vasserman
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Publication number: 20080247122Abstract: A surface mount capacitor is provided. The surface mount capacitor includes a capacitive element including an anode and a cathode, the anode having an exposed portion, an encapsulation material partially surrounding the capacitive element, a non-conductive substrate in contact with the encapsulation material, an anode termination connected to the non-conductive substrate, a cathode termination connected to the non-conductive substrate, and a first conductive path between the exposed portion of the anode and the anode termination comprising a first external conductive connection on a first external surface of the capacitor. The capacitor may also include a second conductive path between the cathode and the cathode termination. The second conductive path includes a second external conductive connection on a second external surface of the capacitor. The second conductive path may further include a conductive adhesive between the cathode and the second external conductive connection.Type: ApplicationFiled: May 11, 2007Publication date: October 9, 2008Applicant: VISHAY SPRAGUE, INC.Inventors: PAVEL VAISMAN, ALEX EIDELMAN, EVGENY PETUHOV
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Patent number: 7161797Abstract: A surface mount capacitor (10) and method for making the same. A solid slug or pellet anode body (1) is encapsulated in a case (6) of insulating material. An anode and cathode termination pair (2, 3) are formed with surface mount mounting portions on one side of the case (6). An electrical connection (4) is made from the cathode termination (2) to a cathode on pellet (1) through the case (6). An electrical connection (7) is made between an anode associated with the pellet (1) and the anode termination (3) externally of the case (6). The external connection (7) allows improved volumetric efficiency by freeing up space in the case (6) for a bigger pellet (1).Type: GrantFiled: May 17, 2005Date of Patent: January 9, 2007Assignee: Vishay Sprague, Inc.Inventors: Pavel Vaisman, Alex Eidelman, Yuri Stangrit, Leonid Vasserman
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Publication number: 20060262489Abstract: A surface mount capacitor (10) and method for making the same. A solid slug or pellet anode body (1) is encapsulated in a case (6) of insulating material. An anode and cathode termination pair (2, 3) are formed with surface mount mounting portions on one side of the case (6). An electrical connection (4) is made from the cathode termination (2) to a cathode on pellet (1) through the case (6). An electrical connection (7) is made between an anode associated with the pellet (1) and the anode termination (3) externally of the case (6). The external connection (7) allows improved volumetric efficiency by freeing up space in the case (6) for a bigger pellet (1).Type: ApplicationFiled: May 17, 2005Publication date: November 23, 2006Applicant: VISHAY SPRAGUE, INC.Inventors: Pavel Vaisman, Alex Eidelman, Yuri Stangrit, Leonid Vasserman